<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>登录页面</h1>
<div>
  <input type="text" placeholder="用户名" v-model="user.username"><br>
  <input type="text" placeholder="密码" v-model="user.password"><br>
    <input type="checkbox" v-model="user.rem">记住用户名和密码<br>
  <input type="button" value="登录" @click="login()">
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let v = new Vue({
        el:"body>div",
        data:{
          user:{
            username:"",
            password:"",
              rem:false
          }
        },
        methods:{
          login(){
            axios.post("/login",v.user).then(function (response) {
              if (response.data==1){
                location.href="/";
              }else if (response.data==2) {
                alert("密码错误!")
              }else {
                alert("用户名不存在!")
              }
            })
          }
        },
        created:function () {
            //username=安其拉; password=1
            let arr = document.cookie.split(";");
            //遍历
            for (let cookie of arr){
                //username=安其拉 或 password=1
                let cookieArr = cookie.split("=");
                let name = cookieArr[0].trim();
                let value = cookieArr[1];
                if (name=="username"){
                    this.user.username=value;
                }else if (name=="password"){
                    this.user.password=value;
                }
            }
        }
    })
</script>
</body>
</html>